feat(deps): update dependency googleapis/genai-toolbox to v0.18.0

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
googleapis/genai-toolbox	minor	0.17.0 -> 0.18.0

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Release Notes

googleapis/genai-toolbox (googleapis/genai-toolbox)

v0.18.0

Compare Source

Features

• Support allowedValues, escape, minValue and maxValue for parameters (#​1770) (eaf7740)
• tools/looker: Tools to allow the agent to retrieve, create, modify, and delete LookML project files. (#​1673) (089081f)

Bug Fixes

• sources/mysql: Escape mysql user agent (#​1707) (eeb694c)
• sources/mysql: Escape program_name for MySQL (#​1717) (02f7f8a)
• tools/http: Allow 2xx status code on tool invocation (#​1761) (a06d0d8)
• tools/http: Omit optional nil query parameters (#​1762) (bd16ba3)
• tools/looker: Looker file content calls should not use url.QueryEscape (#​1758) (336de1b)

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BEGIN_COMMIT_OVERRIDE
chore(deps): update dependency googleapis/genai-toolbox to v0.18.0
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